A: How come you weren't late for that meeting on Thursday, Simon?
B: You see, I ...... (not / wait) for Ms Richardson that afternoon so I managed to keep my appointments.

A: The waiters didn't seem very tired on Friday.
B: You're right. They ...... (work) very hard that day.

Richard saw you clearly and distinctly because you ...... (not / hide) very well.

Helen had a bit of a headache because she ...... (not / wear) a protective mask while working with the chemicals.

The bishop seemed a little distressed on Saturday as he ...... (not / listen) to the news lately, and thus he didn't know what was going on then.

Jack ...... (not / stuy) French for a long time when he moved to France.

Mr Clarkson ...... (not / work) for our company for a long time when he was promoted to senior manager.

The GP ...... (not / practise) medicine for even a year when he was offered a great job at a major US hospital.

Mrs Raynolds ...... (not / repair) the tap for more than an hour when her husband came home from work.

Matthew's wife ...... (not / cook) the dinner for more than ten or twenty minutes when somebody rang the doorbell.